Something rare is happening in the skies in the next few days — a black moon. This rare celestial event is due to an unusual calendar alignment: two new moons in one month. The first occurred on Dec.

I worked with NBC Select reporters to finalize the live list, which I’m frequently updating throughout Black Friday to reflect the most up-to-date prices. Skylight Calendar 15-inch 4.7-star ...

Related: Full moon names A Black Moon is a fairly rare occurrence. Because the lunar calendar almost lines up with Earth's calendar year, there is typically one full moon and one new moon each month.

Something rare is happening in the skies in the next few days — a black moon. This rare celestial event is due to an unusual calendar alignment: two new moons in one month. The first occurred ...